Thrust-bearing element.



A. G. M. MICHELL.

THRUST BEARING ELEMENT.

APPLICATION FILED JUNE I0, 1915.-

1,168,094. Patented Jan; 11, 1916.

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ANTHONY GEORGE MALDON MICHELL, E MELBOUR E, vIcToEIA, AUSTRALIA.

THRUST-BEARING ELEMENT.

Specification of Letters Patent.

rammed Jan. 11, was.

Original application filed January 3, 1913, Serial IiTo. 740,041. Divided and this application filed June 10, 1915. Serial No. 33,394. v

To all whom it ma concern);

Be it known t at I, ANTHONY GEORGE MALDQN 'MICHELL, a, subjectof the King of Great Britain, residing at No. 450 Collins street, Melbourne, in the State of Victoria,

I Commonwealth of Australia, have invented an Improved Thrust-Bearing Element, of which the following is a specification. v

This invention relates to thrust bearings of the type described in the pending appli cation for patent Serial No. 740,041, filed January 3, 1913, of whichthis application is adivision, said bearings being adapted to horizontal or inclined shafts, and char-. acterized by the use of pivoted bearing elements, Which are located on the lower side of the shaft in an oil well-constructed pref-g erably in the lower portion of the fixedcase of the bearing. According to the, present p, invention two of such pivoted blocks are used 'co-acting with the surface of a thrust collar on the shaft, and mounted on a third pivoted element, hereinafter called the housing, in such a manner that the whole forms a' connected element adapted to be inserted in the said oil-well, for transmitting the thrust from the collar to the fixed case.

In the accompanying drawing Figure 1 is a view of the combined element, looking toward the working face of the collar. Fig. 2 is'a section of the same on the line 11-11 of Fig. 1, showing'a1so the faces of the collar and fixed case.

The blocks 1 are constructed with plane front or working faces 2 making lubricated contact with the working surface? of the shaft-collar, Onthe rear sides, opposite to the working faces 2, they are furnished with lugs 4, 5 in which are inserted pins fi'by which the blocks are'secured to the housing.

The housing 7 which may be of segmental shape as shown,is furnishedwith a projection 8 adapted to support tl1e' housingpiv0t ally on the surface 9 of the case of the bea such projections or'pivots may be'on the locks, the contacting surfaces of the housmg be ng flat. The front surface of the 'housing is also furnished-w'ith projections 11, which serve in conjunction with the pins 6 toloclc the blocks to the housing so that the whole forms a connected element, which maybe inserted into-and removed from, the .55 oil-well'as one piece. The pins 6, however,

' are not'in contact with the housing, so that the locking of the blocks is notrigid and they are able to tilt slightly on the projec tlons' 10. The projection 8 is located mid- ,way between the projections 10, so that the housing 7, being fulcrumed at 8 equalizes the thrust pressure carried onv each of'the'bl'ocks 1. All the projections are made as short,

and in all dimensions as small as may suifice16'5 to carry their loads, in orderthat there may be a'pivoting action in arad al, as well as a tangential, direction.

'1 A thrust-bearing element compi'ising a pivoted housing and a pair of blocks pivot-:

ing the thrust pressure equally between said blocks, andfl for attaching said blOCi'Lfi together, substantially as.described.

In a thrust-bearing, a pair of bearing blocks as 1, l, and an element as 7 provided with means for attaching and pivotally su pporting said bearing blocks, andfor equaliz ing the pressure between them.

In. witness whereof I have specification. 4

ANTHONY GEORGE M nion ionrtn.

signed. this 

